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Finding the Fourth Proportional to 533,783.01, 736,547.88 and 318,877.44

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Solution

The fourth proportional to 533,783.01, 736,547.88 and 318,877.44 is: 440,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,783.01 : 736,547.88 = 318,877.44 : x
  2. Step 2: Convert to fraction form
    533,783.01/736,547.88 = 318,877.44/x
  3. Step 3: Cross multiply
    533,783.01x = 736,547.88 × 318,877.44
  4. Step 4: Simplify right side
    533,783.01x = 234,868,502,411.83
  5. Step 5: Solve for x
    x = 234,868,502,411.83/533,783.01
  6. Step 6: Final answer
    x = 440,007.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.