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Finding the Fourth Proportional to 287,572,529.80, 431,358,794.70 and 241,656,027.40

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Solution

The fourth proportional to 287,572,529.80, 431,358,794.70 and 241,656,027.40 is: 362,484,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,572,529.80 : 431,358,794.70 = 241,656,027.40 : x
  2. Step 2: Convert to fraction form
    287,572,529.80/431,358,794.70 = 241,656,027.40/x
  3. Step 3: Cross multiply
    287,572,529.80x = 431,358,794.70 × 241,656,027.40
  4. Step 4: Simplify right side
    287,572,529.80x = 104,240,452,711,254,176
  5. Step 5: Solve for x
    x = 104,240,452,711,254,176/287,572,529.80
  6. Step 6: Final answer
    x = 362,484,041.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.