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Finding the Fourth Proportional to 472,141, 651,554.58 and 260,173

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Solution

The fourth proportional to 472,141, 651,554.58 and 260,173 is: 359,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,141 : 651,554.58 = 260,173 : x
  2. Step 2: Convert to fraction form
    472,141/651,554.58 = 260,173/x
  3. Step 3: Cross multiply
    472,141x = 651,554.58 × 260,173
  4. Step 4: Simplify right side
    472,141x = 169,516,909,742.34
  5. Step 5: Solve for x
    x = 169,516,909,742.34/472,141
  6. Step 6: Final answer
    x = 359,038.74

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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.